Home / 3,643.20-5,467.68-1,335.36

Finding the Fourth Proportional to 3,643.20, 5,467.68 and 1,335.36

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Solution

The fourth proportional to 3,643.20, 5,467.68 and 1,335.36 is: 2,004.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,643.20 : 5,467.68 = 1,335.36 : x
  2. Step 2: Convert to fraction form
    3,643.20/5,467.68 = 1,335.36/x
  3. Step 3: Cross multiply
    3,643.20x = 5,467.68 × 1,335.36
  4. Step 4: Simplify right side
    3,643.20x = 7,301,321.16
  5. Step 5: Solve for x
    x = 7,301,321.16/3,643.20
  6. Step 6: Final answer
    x = 2,004.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.